Vulnerability identifier: #VU82313
Vulnerability risk: Medium
CVSSv3.1: 6.5 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C]
CVE-ID:
CWE-ID:
CWE-119
Exploitation vector: Network
Exploit availability: No
Vulnerable software:
Squid
Server applications /
IDS/IPS systems, Firewalls and proxy servers
Vendor: Squid-cache.org
Description
The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to a boundary error in HTTP Digest Authentication. A remote attacker can trigger memory corruption and cause a denial of service condition on the target system.
Mitigation
Install updates from vendor's website.
Vulnerable software versions
Squid: 3.2.0.1 - 3.5.28, 4.0 - 4.17, 5.0 - 5.9, 6.0.1 - 6.3
External links
http://github.com/squid-cache/squid/security/advisories/GHSA-phqj-m8gv-cq4g
Can this vulnerability be exploited remotely?
Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.